我Oracle數據庫服務器端字符集US7ASCLL？

利用System.Data.OleDb.OdbcConnection類訪問數據庫。

連接字符串："Provider=MSDAORA.1;Data Source=(DESCRIPTION =(ADDRESS_LIST = (ADDRESS = (PROTOCOL = TCP)(HOST = 172.20.0.5)(PORT = 1521)))(CONNECT_DATA = (SID = DEV))) ;User Id=lswen;Password=1169"